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经营范围
发明名称
Pulse modulator
摘要
申请公布号
US2942191(A)
申请公布日期
1960.06.21
申请号
US19550490596
申请日期
1955.02.25
申请人
HUGHES AIRCRAFT COMPANY
发明人
WELTY WILLIAM R.
分类号
H03K3/45;H03K3/55
主分类号
H03K3/45
代理机构
代理人
主权项
地址
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